201720844720

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1093}}^1\times {\mathrm{3739}}^1$

素因数の和:5462

約数の個数: 80

約数和(自身を含む): 470316638880

約数和(自身を除く): 268595794160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1093, 1234, 2186, 2468, 3085, 3739, 4372, 4936, 5465, 6170, 7478, 8744, 9872, 10930, 12340, 14956, 17488, 18695, 21860, 24680, 29912, 37390, 43720, 49360, 59824, 74780, 87440, 149560, 299120, 674381, 1348762, 2306963, 2697524, 3371905, 4086727, 4613926, 5395048, 6743810, 8173454, 9227852, 10790096, 11534815, 13487620, 16346908, 18455704, 20433635, 23069630, 26975240, 32693816, 36911408, 40867270, 46139260, 53950480, 65387632, 81734540, 92278520, 163469080, 184557040, 326938160, 2521510559, 5043021118, 10086042236, 12607552795, 20172084472, 25215105590, 40344168944, 50430211180, 100860422360, 201720844720]

約数ペア:

[(1, 201720844720), (2, 100860422360), (4, 50430211180), (5, 40344168944), (8, 25215105590), (10, 20172084472), (16, 12607552795), (20, 10086042236), (40, 5043021118), (80, 2521510559), (617, 326938160), (1093, 184557040), (1234, 163469080), (2186, 92278520), (2468, 81734540), (3085, 65387632), (3739, 53950480), (4372, 46139260), (4936, 40867270), (5465, 36911408), (6170, 32693816), (7478, 26975240), (8744, 23069630), (9872, 20433635), (10930, 18455704), (12340, 16346908), (14956, 13487620), (17488, 11534815), (18695, 10790096), (21860, 9227852), (24680, 8173454), (29912, 6743810), (37390, 5395048), (43720, 4613926), (49360, 4086727), (59824, 3371905), (74780, 2697524), (87440, 2306963), (149560, 1348762), (299120, 674381)]